Annual and transition report of foreign private issuers pursuant to Section 13 or 15(d)

Consolidated Statements of Cash Flows

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Consolidated Statements of Cash Flows - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Cash flows from operating activities      
Net loss $ (11,225) $ (40,459) $ (77,621)
Adjustments to reconcile net loss to net cash provided by operating activities:      
Impairment of other long-lived assets 7,260 6,759 24,924
Depreciation and amortization 61,250 66,635 92,877
Stock-based compensation 15,686 17,722 20,773
Foreign currency transaction loss (gain) 5,140 (10,429) 2,147
Deferred income taxes (3,956) (2,549) (10,378)
Non-cash loss (gain) from divestitures (7,908) 788
Share in (profits) losses of associated companies (1,724) 1,710 708
Other non-cash items 582 2,400 (359)
Change in cash attributable to changes in operating assets and liabilities, net of the impact of acquisitions or divestitures:      
Accounts receivable, net (8,884) (7,581) 2,009
Inventories (16,124) 2,174 642
Net investment in sales-type leases 7,437 12,196 5,646
Other current assets and prepaid expenses 446 1,100 335
Other non-current assets (1,280) (802) 933
Accounts payable 6,882 (1,206) 1,969
Other current liabilities 9,183 (1,114) (6,330)
Deferred revenues 6,203 3,421 3,380
Other non-current liabilities (5,256) 10,954 259
Net cash provided by operating activities 63,712 61,719 61,914
Cash flows from investing activities      
Purchase of property and equipment (23,361) (22,308) (45,125)
Net proceeds from divestitures of subsidiaries and associated companies 41,168
Investment in unconsolidated entities (13,015) (3,568) (23,064)
Proceeds from sale of plant and property 4,105
Purchase of intangible assets (1,449) (1,540) (2,002)
Proceeds from maturities of bank deposits 67,571
Investment in bank deposits (67,000)
Other investing activities (304) (361) (457)
Net cash provided by (used in) investing activities 7,144 (27,777) (70,077)
Cash flows from financing activities      
Proceeds from long-term debt 10,000 26,000
Repayment of long-term debt (5,143) (3,714)
Payment of obligations in connection with acquisitions (1,476) (1,386)
Acquisition of redeemable non-controlling interests (1,500)
Proceeds from exercise of stock options 3,692 5,888 1,185
Net cash provided by (used in) financing activities (2,951) 10,698 25,799
Effect of exchange rate changes on cash, cash equivalents and restricted cash (3,530) 4,096 (1,053)
Net change in cash, cash equivalents and restricted cash 64,375 48,736 16,583
Cash, cash equivalents and restricted cash, beginning of year 329,359 280,623 264,040
Cash, cash equivalents and restricted cash, end of year 393,734 329,359 280,623
Supplemental disclosure of cash flow information      
Cash paid for income taxes, net of tax refunds 5,682 1,247 5,278
Cash paid for interest 1,675 1,140
Transfer of inventory to fixed assets 3,702 4,844 5,085
Transfer of fixed assets to inventory $ 451 $ 1,188 $ 1,068